Pitisuttithum, Onsiri, Peerasak Chantaraprateep, and Karl Jakob Neeser. “Prevalence of healthy aging and factors associated in Thai urban elderly, Bangkok, Thailand”. Journal of Health Research 32, no. Suppl.2 (December 28, 2018): S167-S176. accessed October 1, 2026. https://he01.tci-thaijo.org/index.php/jhealthres/article/view/168449.